FFmpeg up to 8.0.1 Convolution Filter vf_convolution.c setup_3x3 out-of-bounds

Summaryinfo

A vulnerability was found in FFmpeg up to 4.4.6/5.1.8/6.1.4/7.1.3/8.0.1. It has been classified as critical. This affects the function setup_3x3 of the file libavfilter/vf_convolution.c of the component Convolution Filter. Performing a manipulation results in out-of-bounds. This vulnerability is reported as CVE-2026-90815. The attack is possible to be carried out remotely. Moreover, an exploit is present. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in FFmpeg up to 4.4.6/5.1.8/6.1.4/7.1.3/8.0.1. This affects the function setup_3x3 of the file libavfilter/vf_convolution.c of the component Convolution Filter. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at code.ffmpeg.org. This vulnerability is uniquely identified as CVE-2026-90815. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known.

The exploit is shared for download at code.ffmpeg.org. It is declared as proof-of-concept.

Upgrading to version 4.4.7, 5.1.9, 6.1.5, 7.1.4, 8.0.2, 8.1.1 or 9.0 eliminates this vulnerability. Applying the patch 8970658472/e24b9820b4 is able to eliminate this problem. The bugfix is ready for download at code.ffmpeg.org. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Multimedia Processing Software

Name

• FFmpeg

Version

• 4.4.0
• 4.4.1
• 4.4.2
• 4.4.3
• 4.4.4
• 4.4.5
• 4.4.6
• 5.1.0
• 5.1.1
• 5.1.2
• 5.1.3
• 5.1.4
• 5.1.5
• 5.1.6
• 5.1.7
• 5.1.8
• 6.1.0
• 6.1.1
• 6.1.2
• 6.1.3
• 6.1.4
• 7.1.0
• 7.1.1
• 7.1.2
• 7.1.3
• 8.0.0
• 8.0.1

License

• open-source

Website

• Product: https://ffmpeg.org/

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #922609: FFmpeg FFmpeg Affected versions: FFmpeg 3.0 and later, prior to the inclusion of commits 8970658472 and e24b9820b4 (merged around late Februar Out-of-Bounds Read (by Kery Qi)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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